The Zerran Hair Care system is based on a simple philosophy: Hair needs care and we make products that care for your hair. The Zerran hair care system is designed to meet the needs of professional hair care in the salon and at home. Each product was formulated by senior scientists with many years of experience in the research and development of hair care products. Consequently, every product is scientifically designed to function, alone or in conjunction with other Zerran products. The result is a hair care system that rewards the user with beautiful, healthy hair.